<template>
    <div class="header">
        <h1>{{msg}}</h1>

    </div>
</template>

<script>
    export default {
        name:"Header",
        data(){
            return{
                msg:"我是头部"
            };
        },

        components:{
        },

    };

</script>


<style scoped>

    .header{
        width:100%;
        height:50px;
        background-color:red;
    }

</style>